<template>
    <div class="cmt-container">
        
        <textarea placeholder="请输入BB的内容（最多吐槽120字）" maxlength="120" v-model="msg"></textarea>
        <mt-button type="primary" size="large" @click="post">发表评论</mt-button>

        <div class="cmt-list">
            <div class="cmt-item" v-for="(item,i) in List" :key="item.add_time">
                <div class="cmt-title">
                    第{{i+1}}楼&nbsp;&nbsp;用户：{{item.user_name}}&nbsp;&nbsp;发表时间：{{item.add_time |dateFormat()}}
                </div>
                    <div class="cmt-body">
                        {{item.content ==='underfined'?'此用户很懒':item.content}}
                    </div>
                
            </div>
        </div>


        <mt-button type="danger" size="large" plain @click="gengduo">加载更多</mt-button>
    </div>
</template>


<script>
import {Toast} from 'mint-ui';
export default {
    data(){
        return{
            pageIndex:1,
            List:[],
            msg:''
        }
    },
    props:['id'],
    created(){
        this.getcommment();
    },
    methods:{
        getcommment(){
            this.$http.get("api/getcomments/"+this.id+"?pageindex="+this.pageIndex).then(result=>{
                if(result.body.status===0){
                    // this.List=result.body.message
                    this.List=this.List.concat(result.body.message)
                }else{
                    Toast('请求数据失败')
                }
            })
        },
        gengduo(){
            this.pageIndex++;
            this.getcommment();
        },
        post(){
            if(this.msg.trim().length===0)
            {
                Toast('输入内容不能为空')
            }
            this.$http.post("api/postcomment/"+this.$route.params.id,{content:this.msg.trim()}).then(result=>{
                if(result.body.status===0){
                    var cmt={user_name:"匿名用户",add_time:Date.now(),content:this.msg.trim()};
                    this.List.unshift(cmt);
                    this.msg=''
                }
            })
        }
    }
}
</script>

<style lang="scss" scoped>
.cmt-container{
    h3{
        font-size:18px;
    }
    textarea{
        font-size: 14px;
        height: 85px;
        margin:0
    }
}
.cmt-list{
    margin:10px 0;
    .cmt-item{
        font-size: 13px;
        .cmt-title{
            background-color: #ccc;
            line-height: 35px;
            .cmt-body{
                text-indent:  2em;
                line-height: 35px;
                
            }
        }
    }
}
</style>

